What makes the adjustment screws on these Size IV rings special?
The screws feature non-rotating, ball-bearing tips made of V2A steel and covered with a hard rubber sheath. This design prevents the screw tip from twisting as it's tightened, which provides a very firm grip without scratching or marring the finish on your guidescope.
How do I mount accessories to the Size IV Guidescope Rings?
The rings have several milled flat surfaces on their outer circumference. These surfaces are equipped with standard photo-threaded holes, making it easy to attach additional equipment like a small finder, a dew controller, or other accessories directly to the rings.
What is the main benefit of the non-rotating screw tips for guiding?
Stable guiding requires the guidescope to be held absolutely rigid. Because the screw tips don't rotate, they eliminate the small shifts and slips that can occur as you tighten traditional screws. This results in a more solid connection and helps prevent flexure in your guiding system.
Are these rings suitable for holding a small refractor like a William Optics RedCat for wide-field imaging?
Yes, while designed for guidescopes, the solid, non-marring grip of these rings makes them an excellent choice for securely mounting a premium, small-aperture imaging scope. The non-rotating screws will protect the telescope's finish while providing the rigidity needed for long exposures.
Can I use these rings to mount a guidescope on a Celestron C8 SCT?
Yes, the base of the rings features a standard photo-threaded connection and through-holes, allowing them to be mounted to a dovetail bar, which can then be attached to the top of a Celestron C8 or similar SCT. The robust design ensures a stable platform for autoguiding.
What material are the screw tips made of?
The ball-bearing contact surface of the adjustment screws is made from V2A steel for durability and smooth operation, and it's covered with a hard rubber sheath to provide a secure, non-slip grip on the telescope tube.
